generate_health_report

THE RISK

Low Risk

Why generate_health_report needs a policy

The tool name suggests it generates a health report, which is likely a read/query operation against Prometheus metrics. However, with no description available, it's unclear whether it only reads data or also writes/stores the report somewhere. Given the name implies report generation (likely read-only), but lacking confirmation, confidence is low.

From the tool's definition Tool name is 'generate_health_report'; description is empty or uninformative.

Documented attack patterns abuse exactly the kind of access generate_health_report gives an agent:

POLICY

How to control generate_health_report

PolicyLayer is an MCP gateway — it sits between your AI agents and Prometheus MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_health_report:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_health_report": {
      "limits": [
        {
          "counter": "generate_health_report_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

generate_health_report gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Prometheus MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about generate_health_report

What does the generate_health_report tool do? +

generate_health_report. It is categorised as a Other tool in the Prometheus MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on generate_health_report? +

Register the Prometheus MCP Server MCP server in PolicyLayer and add a rule for generate_health_report: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Prometheus MCP Server. Nothing to install.

What risk level is generate_health_report? +

generate_health_report is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit generate_health_report? +

Yes. Add a rate_limit block to the generate_health_report rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block generate_health_report completely? +

Set action: deny in the PolicyLayer policy for generate_health_report. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides generate_health_report? +

generate_health_report is provided by the Prometheus MCP Server MCP server (awslabs.prometheus-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Prometheus MCP Server tool call.

Start from Prometheus MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →